@<template>
  <div>
           <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
        <!-- 2.为ECharts准备一个具备大小（宽高）的Dom -->
    <div id="main" style="width: 850px;height:600px;"></div>
    </el-card>
  </div>
</template>

<script>
// 1.导入包
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
    async mounted() {
        // 3.基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));

        const {data: res} = await this.$http.get("reports/type/1")
        console.log(res)
        if(res.meta.status != 200) {
            return this.$message.error('获取报表数据失败')
        }



        //4. 准备数据
        // 合并对象
        const result = _.merge(res.data, this.options)
      

        // 5.展示
        myChart.setOption(result)
    },
    data(){
        return{
            // 需要合并的对象
            options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
        }
    },
    created() {

    },
    methods: {
    }

}
</script>

<style>

</style>